22-03-2022
Physics

contestada

You do 25 J of work while using a hammer. The hammer does 18 J of work on the nail. What is the efficiency of the hammer?

physical science
help please

Respuesta :

teacupp teacupp

22-03-2022

72%

Formula: η = Eout / Ein * 100%

Answer Link

Otras preguntas

Which line from the text best explains the main problem with eyewitness identification of people or suspects you may understand why some experts think I witnes

What were social structures that women fit in the elizabethan era?

Lloyd and Jean are considering purchasing a home requiring a $75,000 mortgage. The payment on a 30-year mortgage for this amount is $498.97. The payment for a 1

What integer would represent 25 feet above sea level?

What is the area of the paralleglogram 8.5cm and 11.4cm

Josh bought 4.4 pounds of green beans for $1.65 per pound. How much did he pay for the green beans? Show work.

Least Common Multiple of 6 and 30

find the magnitude of vector

You’re running late to school and have a test in 1st period, so you beg your mom to drive a little faster. You’re about a block away from your school when your

a driver had 18 2/3 gallons of gas in his car before the trip. when he arrived he had only 9 1/2 gallons left. the trip used 9 1/2 gallons. if the car gets 30 m